Recently, a network camera was used in a project, which communicates via the CGI interface. However, the MCU used does not have a network port, and replacing it would be quite troublesome, requiring a new board design and a long cycle. I attempted to use a serial-to-network module, initially testing it, but only managed to … Read more
Those engaged in embedded development know that devices must interact with the outside world via HTTP, such as for data transmission and remote control. Recently, I set up a lightweight HTTP service on a QEMU-emulated ARM Linux system using the httpd included with BusyBox, and I also enabled access from the host. I encountered several … Read more
👌 Here is a workflow for spatial epidemiology research, combining the strengths and weaknesses of ArcGIS / GeoDa / Python to clearly outline the suitable steps. 🗺️ Workflow for Spatial Epidemiology Research Stage Research Tasks Recommended Tools Description 1. Data Preparation – Collect data on cases, population, environmental exposure- Coordinate matching, spatial joining, clipping, projection … Read more
In ArcGIS, vector data can be stored in various formats, such as .shp (Shapefile), .mdb (Microsoft Access Database), and .gdb (Geodatabase). Each format has its specific uses and advantages, but the Geodatabase (.gdb) format is generally recommended for the following reasons: 1. Higher Data Capacity and Performance Capacity: Shapefiles and MDB files have size limitations; … Read more
Introduction In previous blogs, I have introduced the reading of gdb files, the GIS tool GDAL (Part III) reading gdb data, and an article on exploring GDAL’s support for FileGDB drivers on Windows. These articles mainly discuss the reading of gdb files and simple read/write operations. In practical work, gdb is a rich type of … Read more
For students in the Geospatial Information Science major, the first step in learning programming is choosing a programming language. With so many programming languages available, which ones should Geospatial students learn? Here, I will introduce three commonly used programming languages in our field. 01. Python Python is one of the most popular programming languages in … Read more
Smartphones, smartwatches, smart speakers, facial recognition cameras, smart connected vehicles… We live in a world surrounded by smart hardware. The rise of smart cities, smart transportation, smart homes, smart security, smart retail, and smart manufacturing has ushered us into an era of interconnected intelligence, where the boundaries between the digital world and the physical world … Read more
This article is excerpted from “Geographic Information Industry Blue Book: China Geographic Information Industry Development Report (2023)“ Current Status and Development Outlook of GIS Technology in the Context of IT Application InnovationBy Liang Shijie, Tian Qing, Li Shaohua1. Introduction In the past 20 years, driven by the rapid development of information technology (IT) and the … Read more
Preface C++ is a widely used computer programming language. It is a general-purpose programming language that supports static data type checking and multiple programming paradigms. It supports various programming styles including procedural programming, data abstraction, object-oriented programming, and generic programming. ➤ Reasons Why C++ Is Not Suitable for Web Development Web development involves handling strings; … Read more
On August 27, the ultra-high frequency partial discharge online monitoring system built by State Grid Xinjiang Electric Power Co., Ltd. has been operating stably for 10 days after passing acceptance. This system is the first of its kind in the five provinces of Northwest China to achieve networked monitoring, marking a breakthrough in the intelligent … Read more